122310231201221 has 16 divisors (see below), whose sum is σ = 141553814384640. Its totient is φ = 103509345391920.

The previous prime is 122310231201199. The next prime is 122310231201233. The reversal of 122310231201221 is 122102132013221.

It is a cyclic number.

It is not a de Polignac number, because 122310231201221 - 2³⁴ = 122293051332037 is a prime.

It is a super-2 number, since 2×122310231201221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122310231201251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63658736 + ... + 65551926.

It is an arithmetic number, because the mean of its divisors is an integer number (8847113399040).

Almost surely, 2^{122310231201221} is an apocalyptic number.

It is an amenable number.

122310231201221 is a deficient number, since it is larger than the sum of its proper divisors (19243583183419).

122310231201221 is a wasteful number, since it uses less digits than its factorization.

122310231201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010104.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 122310231201221 its reverse (122102132013221), we get a palindrome (244412363214442).

The spelling of 122310231201221 in words is "one hundred twenty-two trillion, three hundred ten billion, two hundred thirty-one million, two hundred one thousand, two hundred twenty-one".